Home / 7,047,089.80-9,725,790.66-3,950,449.52

Finding the Fourth Proportional to 7,047,089.80, 9,725,790.66 and 3,950,449.52

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Solution

The fourth proportional to 7,047,089.80, 9,725,790.66 and 3,950,449.52 is: 5,452,072.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047,089.80 : 9,725,790.66 = 3,950,449.52 : x
  2. Step 2: Convert to fraction form
    7,047,089.80/9,725,790.66 = 3,950,449.52/x
  3. Step 3: Cross multiply
    7,047,089.80x = 9,725,790.66 × 3,950,449.52
  4. Step 4: Simplify right side
    7,047,089.80x = 38,421,245,044,417.48
  5. Step 5: Solve for x
    x = 38,421,245,044,417.48/7,047,089.80
  6. Step 6: Final answer
    x = 5,452,072.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.